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Weak-coupling treatment of nonperturbative QCD dynamics to heavy hadrons

1997/05/04 by Wei-Min Zhang · 27 citations
Physics and Astronomy · #Coulomb #Coupling (piping) #Hadron #Hamiltonian (control theory) #High-Energy Particle Collisions Research #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum electrodynamics #Quantum mechanics #Quark #Renormalization #Renormalization group #Strong interaction #hep-ph

paper · pdf · doi:10.1103/physrevd.56.1528

published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 56(3), 1528-1548 (American Physical Society) · 35 pages, Revtex, 3 figs. (A shortened and impoved version of hep-ph/9510428 that will be published in Phys. Rev. D)

arxiv created 1997/05/04 · openalex publication_date 1997/08/01 · arxiv updated 2011/01/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Based on the recently developed light-front similarity renormalization group approach and the light-front heavy quark effective theory, we derive analytically from QCD a heavy quark light-front Hamiltonian which contains explicitly a confinement interaction at long distances and a Coulomb-type interaction at short distances. With this light-front QCD Hamiltonian, we further demonstrate that the nonperturbative QCD dynamics of the strongly interacting heavy hadron bound states can be treated as a weak-coupling problem.

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